Warning. First backup your previous fileBecause a lot of time in your device's version of the problem may be due to

Note Before/Warning : Dear GSM Friends if you Flash your valuable Device with. HTC One M7 of your previous data will be lost or removed from your device. For your necessary photos,videos, apps, documents & others, you should backup data before flashing your device.All of our files are tested by our expert team, for any kind of damages, our team is not responsible. keep backup your device Stock Rom to recovery your dead device again. so look before you leap & try at your own risk.